/*
 * Copyright (c) 2011 Nathan Byrd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package org.stackconfig.web.gwt.client.widgets;

import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Panel to contain the next component in a stack
 */
public class NextComponentPanel extends SimplePanel {

    Component parentComponent;

    /**
     * Setter for the parent component of this panel
     *
     * @param parentComponent Parent Component of this panel
     */
    public void setParentComponent(Component parentComponent) {
        this.parentComponent = parentComponent;
    }


    /**
     * Overridden to notify the parent Component when a widget has been removed
     *
     * @param widget Widget to be removed
     * @return boolean whether to allow the remove
     */
    @Override
    public boolean remove(Widget widget) {
        if (parentComponent != null) {
            parentComponent.onComponentRemoved();
        }
        return super.remove(widget);
    }

}
